Home / 667,644.40-1,001,466.60-268,346.80

Finding the Fourth Proportional to 667,644.40, 1,001,466.60 and 268,346.80

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Solution

The fourth proportional to 667,644.40, 1,001,466.60 and 268,346.80 is: 402,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,644.40 : 1,001,466.60 = 268,346.80 : x
  2. Step 2: Convert to fraction form
    667,644.40/1,001,466.60 = 268,346.80/x
  3. Step 3: Cross multiply
    667,644.40x = 1,001,466.60 × 268,346.80
  4. Step 4: Simplify right side
    667,644.40x = 268,740,357,416.88
  5. Step 5: Solve for x
    x = 268,740,357,416.88/667,644.40
  6. Step 6: Final answer
    x = 402,520.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.